MacBook Pro 13" Retina (Late 2013, Mid 2014, Early 2015)
Model ID: MacBookPro11,1; MacBookPro12,1
SSD install
OWC Envoy Pro Enclosure
Apple PCIe SSD/Flash Installation
Step-by-step video of how to install an Apple PCIe SSD into an OWC Envoy Pro PCIe Enclosure.